President Barack Obama leaves Washington Wednesday (June 26) for an eight-day trip where he will visit South Africa — Africa’s largest economy — Senegal in West Africa and Tanzania in East Africa. Obama will not be visiting Tanzania’s neighbor, Kenya, his late-father’s birthplace. Details here.

Cyber Defense

The Institute for Defense and Government Advancement (IDGA) holds a three-day conference on cyber defense and network security beginning today (June 24) in Arlington, Virginia.

Officials from the Department of Homeland Security, U.S. Cyber Command, the Army, Air Force and Marine Corps are slated speakers. Details here.

And on Thursday (June 27) Army Gen. Martin Dempsey, chairman of the Joint Chiefs of Staff, speaks at the Brookings Institution on the military’s role in cyberspace and the threat posed by cyber attacks. Details here.

Maritime Domain Awareness

C-SIGMA, a maritime domain awareness group, co-founded by the former science and technology adviser to the U.S. Coast Guard holds a two-day conference on monitoring ocean-going vessels from space via a global network of satellites starting Wednesday (June 26) in Cork, Ireland. Details here.